=====================
root@ubuntu:/home/u12/Desktop/JJ/nginx-0.8.30# ./configure --prefix=/home/u12/buildroot-at91/output/target/var/www/nginx-arm
checking for OS
+ Linux 3.5.0-51-generic x86_64
checking for C compiler ... found but is not working

./configure: error: C compiler /home/u12/buildroot-at91/output/host/usr/bin/arm-linux-gnueabihf-gcc is not found